Procedure Chypertonic Hypotonic And Isotonic Solutions

1. Review a textbook section on tonicity.

2. To demonstrate the effect of hypertonic, hypotonic, and isotonic solutions on animal cells, follow these steps:

a. Place three test tubes in a rack and mark them as tube 1, tube 2, and tube 3. (Note: One set of tubes can be used to supply test samples for the entire class.)

b. Using 10 mL graduated cylinders, add 3 mL of distilled water to tube 1; add 3 mL of 0.9% NaCl to tube 2; and add 3 mL of 3.0% NaCl to tube 3.

c. Place three drops of fresh uncoagulated animal blood into each of the tubes and gently mix the blood with the solutions. Wait 5 minutes.

d. Using three separate medicine droppers, remove a drop from each tube and place the drops on

Was this article helpful?

0 0
Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

Get My Free Ebook

Post a comment